Corner extrusion



FIG. 1 is a first side view of a corner extrusion which embodies thedesign;

FIG. 2 is a perspective view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a rear view thereof.

I claim the ornamental design for a corner extrusion, as shown anddescribed.